Amateur and professional photographers memorialized many of the smart, compelling and even hilarious signage found in marches across the country (and across the globe). But upon seeing some of the poster art left purposefully in front of government buildings and Trump towers, some across the internet wondered whether or not anyone ― or any organization ― had plans to collect and archive the physical Women’s March signs.

Thankfully, as The New Yorker reported, museums, libraries and galleries around the world are indeed collecting your signs in an effort to remember the historic marches that took place a day after the inauguration of President Donald Trump.

Among them is the Smithsonian’s National Museum of American History, which sent curatorial team members to collect art left over from protests on Inauguration Day and the day after in Washington, D.C.

@boydwalker Our political history curatorial team was out on the National Mall on both Friday and Saturday.

Last year, the New York Historical Society opted to preserve some of the “Subway Therapy” post-it notes that appeared in NYC Metro stations not long after Trump’s election. We have reached out to the Society to see if they are planning to archive posters from New York’s Women’s March, but have yet to hear back.

Below is a breakdown of sign collecting efforts we’ve discovered on Twitter. If your state or country isn’t included in this list, we suggest reaching out to your local history museum, art gallery or library to see if they are starting a collection of their own. If they are, let us know! And we’ll add them here.